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Finding the Third Proportional to 117,482.25 and 189,163.50

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Solution

The third proportional to 117,482.25 and 189,163.50 is: 304,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,482.25 : 189,163.50 = 189,163.50 : x
  2. Step 2: Convert to fraction form
    117,482.25/189,163.50 = 189,163.50/x
  3. Step 3: Cross multiply
    117,482.25x = 189,163.50 × 189,163.50
  4. Step 4: Simplify right side
    117,482.25x = 35,782,829,732.25
  5. Step 5: Solve for x
    x = 35,782,829,732.25/117,482.25
  6. Step 6: Final answer
    x = 304,580.73

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.